Fix streamtags remove list

src/ffx/media_descriptor_change_set.py

@@ -298,8 +298,25 @@ class MediaDescriptorChangeSet():
         for tagKey, tagValue in self.__context.get('encoding_metadata_tags', {}).items():
             metadataTokens += [f"-metadata:g", f"{tagKey}={tagValue}"]
 
+        metadataTokens += self.generateConfiguredRemovalMetadataTokens()
+
         return metadataTokens
 
 
     def getChangeSetObj(self):
         return self.__changeSetObj
+
+    def generateConfiguredRemovalMetadataTokens(self):
+        metadataTokens = []
+
+        for removeKey in self.__removeGlobalKeys:
+            metadataTokens += ["-metadata:g", f"{removeKey}="]
+
+        for trackDescriptor in self.__targetTrackDescriptors:
+            for removeKey in self.__removeTrackKeys:
+                metadataTokens += [
+                    f"-metadata:s:{trackDescriptor.getType().indicator()}:{trackDescriptor.getSubIndex()}",
+                    f"{removeKey}=",
+                ]
+
+        return metadataTokens